Practical Solutions

Our scientists and engineers develop and implement innovative, practical solutions to some of our planet’s most pressing problems—from combating global warming and developing sustainable ways to feed, power, and transport ourselves, to fighting misinformation and reducing the threat of nuclear war.

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You + Science = Results

We rely on individuals like you for funding, not the government or corporations, which preserves our independence and integrity. With more than 450,000 supporters—parents, businesspeople, scientists, engineers, teachers, and students—we’re united by a central concern: that we need sound scientific analysis—not political calculation or corporate hype—to create a healthy, safe, and sustainable future.

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Recognized Leadership

We are pleased that UCS continues to receive recommendations from the United States’ premier charity rating agencies, Charity Navigator, the Better Business Bureau, and the American Institute of Philanthropy. Your investment in the Union of Concerned Scientists is all the more valuable, because to preserve our integrity we do not accept corporate or government grants. Your gift is building a healthy planet and a safer world. UCS is a 501c3 nonprofit organization and all gifts are tax deductible.

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We Need Your Support
to Make Change Happen

We can ensure that decisions about our health, safety, and environment are based on the best available science—but not without you. Your generous support helps develop science-based solutions for a healthy, safe, and sustainable future.